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author | Peter Collingbourne <peter@pcc.me.uk> | 2015-03-14 01:35:33 +0000 |
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committer | Peter Collingbourne <peter@pcc.me.uk> | 2015-03-14 01:35:33 +0000 |
commit | aa08fab495e8343737b8fa894dfdb20f3ba12333 (patch) | |
tree | 99960a2b5556549ae1b8a7a46f08247f838e8aaf /test/cfi/sibling.cpp | |
parent | 788f0e492b13427af5f9b71f1aeb882aa71115cf (diff) |
CFI: Add a test for distinguishing between non-overriding siblings.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@232238 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/cfi/sibling.cpp')
-rw-r--r-- | test/cfi/sibling.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/test/cfi/sibling.cpp b/test/cfi/sibling.cpp new file mode 100644 index 000000000..c8b95e9de --- /dev/null +++ b/test/cfi/sibling.cpp @@ -0,0 +1,67 @@ +// XFAIL: * + +// RUN: %clangxx_cfi -o %t %s +// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s + +// RUN: %clangxx_cfi -DB32 -o %t %s +// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s + +// RUN: %clangxx_cfi -DB64 -o %t %s +// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s + +// RUN: %clangxx_cfi -DBM -o %t %s +// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s + +// RUN: %clangxx -o %t %s +// RUN: %t 2>&1 | FileCheck --check-prefix=NCFI %s + +// Tests that the CFI enforcement distinguishes betwen non-overriding siblings. +// XFAILed as not implemented yet. + +#include <stdio.h> +#include "utils.h" + +struct A { + virtual void f(); +}; + +void A::f() {} + +struct B : A { + virtual void f(); +}; + +void B::f() {} + +struct C : A { +}; + +int main() { +#ifdef B32 + break_optimization(new Deriver<B, 0>); +#endif + +#ifdef B64 + break_optimization(new Deriver<B, 0>); + break_optimization(new Deriver<B, 1>); +#endif + +#ifdef BM + break_optimization(new Deriver<B, 0>); + break_optimization(new Deriver<B, 1>); + break_optimization(new Deriver<B, 2>); +#endif + + B *b = new B; + break_optimization(b); + + // CFI: 1 + // NCFI: 1 + fprintf(stderr, "1\n"); + + ((C *)b)->f(); // UB here + + // CFI-NOT: 2 + // NCFI: 2 + fprintf(stderr, "2\n"); +} |